Answer:
5 cm
Step-by-step explanation:
Area of a circle: [tex]\pi r^{2}[/tex] {r=radius}
[tex]\pi r^2=65.71cm2[/tex]
[tex]r^2=65.71/3.14[/tex] [tex](\pi =3.14)[/tex]
[tex]r^2=20.92[/tex]
[tex]r=\sqrt{20.92} =4.57cm[/tex]
[tex]r=4.57=5cm[/tex]
[tex]r=5cm[/tex]
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